File: G_string.cc

package info (click to toggle)
gri 2.12.26-1
  • links: PTS
  • area: main
  • in suites: buster
  • size: 5,952 kB
  • ctags: 2,396
  • sloc: cpp: 36,598; sh: 4,196; lisp: 3,764; perl: 1,362; ansic: 1,046; makefile: 606
file content (216 lines) | stat: -rw-r--r-- 6,378 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
/*
    Gri - A language for scientific graphics programming
    Copyright (C) 2008 Daniel Kelley

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#if 0				// Maybe keep for later!
#include <string>
#include <stdio.h>
//##include <string.h>
#include "types.hh"
#include "G_string.hh"

// Read line from file.  If there is a newline character at the
// end of the line in the file, keep it.  Otherwise, tack one on.
//
// RETURN true if got to EOF
bool G_string::line_from_FILE(FILE *fp)
{
	printf("line_from_FILE %s:%d\n",__FILE__,__LINE__);
	assign("");
	if (feof(fp)) {
		printf("line_from_FILE %s:%d.  HEY, eof at start!\n",__FILE__,__LINE__);
		return true;
	}
	char c[2];
	c[1] = '\0';
	do {
		c[0] = getc(fp);
		append(c);
		if (c[0] == '\n')
			break;
	} while (!feof(fp));
	printf("line_from_FILE %s:%d.  done loop.  Got '%s'\n",__FILE__,__LINE__,c_str());
	if (feof(fp)) {
		printf("line_from_FILE %s:%d.  had eof so tacking newline\n",__FILE__,__LINE__);
		append("\n");	// tack newline on
	}
	return false;
}

//OLD** #if 0
//OLD** // Read word from file, enlarging if neccessary.  Leave newline if
//OLD** // found, but if hit eof do not insert extra newline.
//OLD**  // CHANGE 28AUG95: DO
//OLD**  // NOT KEEP NEWLINE; PUT IT BACK INTO FILE SO 'READ WORD' CAN FLUSH COMMENTS
//OLD**  // AND EXTRA JUNK AT EOL ... PROVISIONAL CHANGE.
//OLD** // RETURN true if hit EOF
//OLD** 
//OLD** bool G_string::word_from_FILE(FILE *fp)
//OLD** {
//OLD**     if (feof(fp)) {
//OLD** 	value[0] = '\0';
//OLD** 	return true;
//OLD**     }
//OLD**     unsigned int i = 0;
//OLD**     // Flush any existing whitespace
//OLD**     value[i] = getc(fp);
//OLD**     if (feof(fp)) {
//OLD** 	value[0] = '\0';
//OLD** 	return true;
//OLD**     }
//OLD**     while (isspace(value[i])) {
//OLD** 	value[i] = getc(fp);
//OLD** 	if (feof(fp)) {
//OLD** 	    value[i] = '\0';
//OLD** 	    return true;
//OLD** 	}
//OLD**     }
//OLD**     i++;
//OLD**     do {
//OLD** 	value[i] = getc(fp);
//OLD** 	if (i >= capacity - 1) { // Get more space if required
//OLD** 	    capacity += capacity;
//OLD** 	    char *more_space = new char[capacity];
//OLD** 	    if (!more_space) OUT_OF_MEMORY;
//OLD** 	    for (unsigned int j = 0; j <= i; j++)
//OLD** 		more_space[j] = value[j];
//OLD** 	    delete [] value;
//OLD** 	    value = more_space;
//OLD** 	}
//OLD** 	if (value[i] == '\n') {
//OLD** 	    ungetc(value[i], fp);
//OLD** 	    break;
//OLD** 	}
//OLD** 	if (isspace(value[i]))
//OLD** 	    break;
//OLD** 	i++;
//OLD**     } while (!feof(fp));
//OLD**     if (feof(fp))
//OLD** 	i--;
//OLD**     value[i] = '\0';
//OLD**     return false;
//OLD** }
//OLD** #endif

#if 0
void G_string::sed(const char *cmd)
// Assume, *WITHOUT CHECKING*, that cmd is of one of the forms
// 	s/A/B/	where 'A' and 'B' are strings
// 	s:A:B:	or any other 'stop-char', as in sed unix command
// Also, require B to be a shorter string than A. (easily fixed)
{
	switch (cmd[0]) {
	case 's': {
		int len_cmd = strlen(cmd);
		int len_value = strlen(value);
		char *copy = new char[1 + strlen(value)];
		char stop = cmd[1];
		char *A = new char [1 + len_cmd];
		char *B = new char [1 + len_cmd];
		int lenA = 0;
		int iA;
		for (iA = 2; iA < len_cmd; iA++) {
			if (cmd[iA] == stop)
				break;
			A[lenA++] = cmd[iA];
		}
		A[lenA] = '\0';
		int lenB = 0;
		int iB;
		for (iB = iA + 1; iB < len_cmd; iB++) {
			if (cmd[iB] == stop)
				break;
			B[lenB++] = cmd[iB];
		}
		B[lenB] = '\0';
		Require2(lenB <= lenA, gr_Error("sed requires lenB <= lenA\n"));
		int iCOPY = 0;
		for (int iVALUE = 0; iVALUE < len_value; iVALUE++) {
			for (iA = 0; iA < lenA; iA++) {
				if (iVALUE + iA > len_value - 1) {
					break;
				}
				if (value[iVALUE + iA] != A[iA]) {
					break;
				}
			}
			if (iA == lenA) {
				for (iB = 0; iB < lenB; iB++) {
					copy[iCOPY++] = B[iB++];
				}
				iVALUE += lenA - 1;
			} else {
				copy[iCOPY++] = value[iVALUE];
			}
		}
		copy[iCOPY] = '\0';
		delete [] A;
		delete [] B;
		strcpy(value, copy);
		delete [] copy;
		break;
	}
	default:
		gr_Error("G_string's sed() command can only do 's' commands");
	}
}
#endif

#if 0
void
G_string::draw(double xcm, double ycm, gr_textStyle s, double angle) const
{
	gr_show_at(value, xcm, ycm, s, angle);
	// Figure bounding box
	double width, ascent, descent;
	gr_stringwidth(value, &width, &ascent, &descent);
#if 0
	printf("\n`%s' xcm=%.1f ycm=%.1f width=%.1f ascent=%.1f descent=%.1f angle=%.1f\n",
	       value, xcm,ycm,width,ascent, descent, angle);
#endif
	double tmpx[4], tmpy[4];	// 0123 from lower-left anticlockwise
	switch (s) {
	case TEXT_LJUST:
		gr_rotate_xy(     0.0, -descent, angle, tmpx + 0, tmpy + 0);
		gr_rotate_xy(   width, -descent, angle, tmpx + 1, tmpy + 1);
		gr_rotate_xy(   width,   ascent, angle, tmpx + 2, tmpy + 2);
		gr_rotate_xy(     0.0,   ascent, angle, tmpx + 3, tmpy + 3);
		break;
	case TEXT_RJUST:
		gr_rotate_xy(  -width, -descent, angle, tmpx + 0, tmpy + 0);
		gr_rotate_xy(     0.0, -descent, angle, tmpx + 1, tmpy + 1);
		gr_rotate_xy(     0.0,   ascent, angle, tmpx + 2, tmpy + 2);
		gr_rotate_xy(  -width,   ascent, angle, tmpx + 3, tmpy + 3);
		break;
	case TEXT_CENTERED:
		gr_rotate_xy(-width/2, -descent, angle, tmpx + 0, tmpy + 0);
		gr_rotate_xy( width/2, -descent, angle, tmpx + 1, tmpy + 1);
		gr_rotate_xy( width/2,   ascent, angle, tmpx + 2, tmpy + 2);
		gr_rotate_xy(-width/2,   ascent, angle, tmpx + 3, tmpy + 3);
		break;
	}
	tmpx[0] += xcm, tmpy[0] += ycm;
	tmpx[1] += xcm, tmpy[1] += ycm;
	tmpx[2] += xcm, tmpy[2] += ycm;
	tmpx[3] += xcm, tmpy[3] += ycm;
	rectangle box(vector_min(tmpx, 4), vector_min(tmpy, 4),
		      vector_max(tmpx, 4), vector_max(tmpy, 4));
	bounding_box_update(box);
}
#endif
#endif